23 results about "Tar" patented technology

The invention provides a gasification device and a gasification method for preparing hydrogen-rich synthetic gas from biomass. The device comprises a biomass feeder, a mixer, a pyrolysis chamber, a gasification chamber, a gasified gas separator, a combustion chamber, a flue gas separator, a bin and a butterfly valve. In the method, the biomass gasifying process is divided into three parts, namelybiomass pyrolysis, semicoke gasification and heat carrier circulation. Through the method and the device, the synthetic gas with the tar content less than 200mg/Nm<3> and the H2/CO ratio more than 1.1 can be obtained, and the energy utilization rate and the process economy are obviously improved.

The invention discloses a directional pyrolysis method of combustible wastes. The method comprises the following steps: putting the combustible wastes into a pyrolysis furnace; carrying out air replacement on the pyrolysis furnace, namely feeding nitrogen into the pyrolysis furnace and discharging air from the pyrolysis furnace; maintaining the nitrogen pressure in the pyrolysis furnace within 0.05MPa to 0.1MPa; starting the heating to enter pyrolysis states, namely entering different pyrolysis steps according to different pyrolysis demands for the combustible wastes, wherein the different pyrolysis demands comprise the following steps: obtaining pyrolytic carbon of the combustible wastes, obtaining a pyrolytic tar of the combustible wastes and obtaining a pyrolytic combustible gas of the combustible wastes. According to the method, the combustible wastes are directionally pyrolyzed into the organic carbon, the high-calorific-value gas and the tar by regulating the pyrolysis temperature, the pyrolysis pressure, the heating rate and the catalyst adding mode through the utilization of calorific values of the combustible wastes, so that the utilization rate of the combustible solid wastes is greatly improved; the air is isolated, so that the combustion of the carbon and the volatilization of heavy metals and chlorine are reduced. Thus, the discharge of dioxin is below 0.1ng/Nm<3>.

The present invention relates to a process for desulfurizing bitumen and other heavy oils such as low API gravity, high viscosity crudes, tar sands bitumen, or shale oils with alkali metal compounds under conditions to promote in-situ regeneration of the alkali metal compounds. The present invention employs the use of superheated water and hydrogen under conditions to improve the desulfurization and alkali metal hydroxide regeneration kinetics at sub-critical temperatures.

The invention discloses a welding waste gas treatment device which comprises an air inlet pipe, an air outlet pipe, and a waste gas treatment chamber, a primary filtering chamber and a waste gas absorbing chamber that are sequentially connected between the air inlet pipe and the air outlet pipe. On the premise that secondary pollution is guaranteed not to be caused, workshop operation is not affected, and the service life of equipment is not influenced, the welding waste gas treatment device adopts a multi-stage purifying device for the purification treatment of welding waste gas, thus not only effectively removing the welding smoke waste gas, but also degrading the tar smell of the welding smoke and various toxic and harmful gases. By the method combining physics and chemistry to treat the welding smoke waste gas or industrial waste gas, the device can fully treat the welding smoke waste gas or industrial waste gas, is high in efficiency, and has the advantages of being simple, economical and practical in the actual use and operation.

The present invention provides a biomass gasification furnace frees of crash, humidity resistant, having no tar, anti-burn-out. It is a flammable gas updaught household gasification furnace converted by the luminous burning pyrolytic reaction utilizing eagro-sylvo-pastoral waste biomass. The invention can easily compress pudgy biomass and pack in column bale fuel via setting opening feed inlet, arranging biomass binder, convenient to put in the furnace, needless being crashed; vapor continuously steamed is chiling and bead slides in the water tank along the inclined edge and exhaust accompanied by return tube via setting tapered condensed water collecting furnace lid, this resolving the problem of unburning when the water content of the biomass is higher; the residual tar of the high temperature fuel gas is further cracked via setting fuel gas guide port in the burning high temperature region and importing in the setted high temperature fuel gas detention timelag loop; The effects of unbiassed burning, non carbon, timely blanking and no empty burning are achieved by setting ring rotary inlet device and axial rotary driving dust blanking in the burning region.

The invention relates to a preparation method of a solid bio-fuel brick, and the preparation method comprises the steps as follows: reusing agroforestry plant processing waste residues, obtaining products of biological tar, biomass carbon powder and the like by high-temperature oxygen-free pyrolysis, evenly mixing the products with MgO and turpentine oil, compression molding and evenly coating a water-proof coating on the surface thereof. The mass percentages of various substances of the biological solid fuel are as follows: 5-40 percent of biological tar, 20-50 percent of biomass carbon powder, 5-20 percent of MgO and 2-15 percent of turpentine oil; and the mass percentages of various substances of the water-proof coating are as follows: 80-95 percent of paraffin and 5-20 percent of turpentine. The biological solid fuel has the advantages of flammability, light weight, waterproof property, high calorific value, high flame, full combustion, and the like; the biological solid fuel is lighter and more flammable than coal; compared with wood, the biological solid fuel is easy to carry, high in calorific value and long in burning time. The solid bio-fuel brick can be used in outdoor and wild places, and mainly applicable to emergency aid, heating and cooking for sudden accidents.

The invention discloses a multi-pipe revolving low-temperature dry distillation technology of fine coal. The technology comprises steps that: (1) fine coal requiring dry distillation is distributed into a cylinder of a multi-pipe revolving dry distillation machine; flue gas mixed and regulated in an air mixing chamber is delivered into a plurality of heat exchange tubes arranged in the cylinder of the multi-pipe revolving dry distillation machine; and fine coal in the cylinder is heated; (2) when heat is absorbed by the fine coal in the cylinder, the fine coal is pyrolyzed, such that hot semi-coke and dry distillation gas are produced; (3) the hot semi-coke is cooled in a coke cooling machine, the semi-coke is delivered to a next process, and is collected and stored; a next section is proceeded; (4) the dry distillation gas is delivered into a coal gas cooling, cool gas purifying, and tar collecting system; (5) the flue gas discharged after the heat exchanging process is delivered into a waste heat boiler for producing low-pressure vapor; a part of the low-temperature flue gas which leaves the waste heat boiler is refluxed for regulating the temperature of the flue gas, and another part of the low-temperature flue gas is delivered into a low-temperature flue gas system where the heat of the flue gas is recycled. According to the invention, the fine coal passes through a shell pass, and the flue gas passes through a tube pass. Therefore, problems of difficult material distribution, high requirements on cylinder thermal insulation and easily blocked pipe of the multi-pipe revolving dry distillation machine are solved.

The invention relates to a method for preparing granular active carbon and fuel oil by mixing petroleum residue and tar residue. The obtained active carbon has a highly developed pore structure and a huge specific surface area, and the fuel oil can be applied to an industrial boiler. The active carbon can be applied to the refining and separation of gas and liquid, water treatment, air purification and the like as a porous carbon material. Meanwhile, according to the method provided by the invention, by controlling the ratio of the petroleum residue to the tar residue, the viscosity of oil is reduced, and the asphaltene in the oil is dissolved; and meanwhile, by adding a stabilizer and a dispersing agent, the oil contained in the tar residue and petroleum residue can be sufficiently mixed to achieve an aim of preparing fuel oil. The residue left after the preparation of fuel oil is activated by use of air and phosphoric acid together to obtain active carbon different in specific surface area and pore size distribution. According to the method provided by the invention, by adopting the tar residue and petroleum residue as raw materials, the aim of utilizing the waste and turning the waste into wealth can be achieved, and the environmental pollution can be reduced.

The invention relates to a preparation method of activated carbon tobacco sheet. Taking 800g of tobacco stems, activated carbon of 20-40g and tobacco sheet adhesive 5-10g, adding 2-4L of water, and stirring the components in the speed of 1000-2000 rpm for 30 minutes to mixing the components evenly. Tiling obtained thick slurry on a glass board according to the mode of 50ml/m2 inside a drying box with temperature of 30-50 C and 40-50 percents of relative humidity. And the activated carbon sheet can be obtained after drying and film-forming. The activated carbon can be obtained from apricot shell carbon, coconut shell and woodiness carbon and the like. The preparation method of the activated carbon tobacco sheet has the advantages of being capable of effectively improving combustion of tobaccos, enabling cut tobacco to be burnt more sufficiently, and significantly reducing content of tars and nicotine of a cigarette.

The invention provides a method for processing bone char by taking bovine bones as an active ingredient. The method comprises the steps of: by taking bovine bones as an active ingredient, crushing, cleaning, cooking, separating grease, separating bone glue, drying and charring, thus processing the bone char. According to the method, the bone char can be processed by taking bovine bones as the active ingredient, side products including grease, bone glue, tar, acetic acid and methanol can also be obtained, and the processed bone char cannot be lost and is good in quality due to the adoption of closed charring. The method is suitably applied as a method for processing bone char.

The invention provides a biochar-based organic fertilizer and a production method thereof. The biochar-based organic fertilizer is characterized by being prepared from the following components in parts by weight: 20-30 parts of biochar, 35-55 parts of organic matters, 6-9 parts of nitrogen (N), 3-5 parts of phosphorus (P2O5), 5-7 parts of potassium (K2O), 0.5-1 part of amino acids, 0.5-1 part of humic acid, 1.5-2.5 parts of wood vinegar, 1-2 parts of wood tar, 0.05-1 part of a beneficial inoculant, 0.5-1 part of a fertilizer controlled-release agent and 1-3 parts of a forming auxiliary agent.The organic matters are solid animal dung and thoroughly decomposed straws, the water content of which is smaller than or equal to 40%. The production method comprises the following steps: preparing biochar from crop straws after high-temperature pyrolysis; mixing the biochar with the solid organic matters to ferment together for 5-10 days, wherein no biogas slurry is discharged; adding the components in proportion to proportion and granulate; externally spraying the wood tar; and drying the mixture to obtain the biochar-based organic fertilizer. The method solves the problem that the crop straws and the animal dung are accumulated, and does not generate new polluting sources. The organic fertilizer contains various nutritional components and microelements and improves soil, so that wasteresources are utilized effectively to the maximum extent.

The invention discloses a modified peanut hull porous material and application thereof to cigarettes. The porous material is obtained by performing procedures of microwave expansion, crushing granulation, modification with a modifier, microwave expansion drying and the like on peanut hulls. The modified peanut hull porous material is added to a cigarette filter to prepare a binary composite filter which is applied to the cigarettes, wherein the addition of the modified peanut hull porous material is 12 to 55 percent based on the total weight of the filter. Actual application shows that components such as tar, nicotine, hydrogen cyanide, phenol and crotonaldehyde in cigarette smoke can be effectively reduced. The modified peanut hull porous material is convenient to operate and low in cost, and has broad application prospect.

The invention relates to a reaction device and a reaction method for producing methyl propionate. The reaction device comprises a static-state mixer, a carbonylation reactor, a flash evaporator, a light component removal tower, a catalyst recycling reactor and a liquid-liquid separation tower. According to the device and the method, a product which contains tar and is discharged by the carbonylation reactor is subjected to flash evaporation and separation; byproducts with low molecular weight produced in the reaction process is separated by using the light component removal tower; precious metal ions, methanol, propionic acid and methyl propionate are extracted by using warm water; a part of heavy phases which come out of the flash evaporator is fully mixed with the water, so that a part of organic matters with low molecular weight in the heavy phase and the precious metal ions are dissolved into a water phase; the separation of the tar and the water phase is realized in the liquid-liquid separation tower, and a water-phase mixture is finally sent back to the carbonylation reactor, so that the accumulation of the tar in the reaction system is reduced, and the loss of methanol is reduced.

The invention relates to a SOD cigarette, which comprises SOD and cigarette. Wherein, each cigarette comprises 2000-4000SOD active units; and the production comprises that: adding fresh leaf, aquacare, sugar, and culture into ionized water, to ferment at 25-35Deg. C, mixing for 20hours, to obtain leaf ferment SOD liquid; then functioning the liquid on leaf surface, to obtain cut tobacco; then spraying SOD liquid on the cut tobacco to be dried. The invention can reduce 30-70% of nicotine and coke tar, with stable SOD component and significant kidney tonifying effect.

The invention provides electronic cigarette tobacco tar. The electronic cigarette tobacco tar comprises, 1-15% of tobacco extract, 1-15% of tobacco flavor, 1-15% of deionized water, 1-20% of asparaginic acid, 0.01-0.5% of vitamin E, 0.01-0.5% of coenzyme Q10, and the balance organic solvent. The electronic cigarette tobacco tar contains certain amount of asparaginic acid, has the advantages of be rich in fragrance, mild and comfortable in mouthfeel and good in satisfaction feeling, can meet the sense organ requirements of a smoker and has the healthcare effects of improving the myocardial function, eliminating fatigue and resisting oxidation and ageing. The invention further provides a preparing method of the electronic cigarette tobacco tar, and the preparing method includes the steps that (1) asparaginic acid is dissolved in deionized water to obtain an asparaginic acid solution; (2) tobacco extract, tobacco flavor, vitamin E, coenzyme Q10, organic solvent and the asparaginic acid solution are mixed and stirred uniformly under room temperature to prepare the electronic cigarette tobacco tar. The preparing method is simple, easy to operate and suitable for industrialization production.

The invention discloses a gas liquor purification treatment system after coal gasification. The system comprises a gas liquor main, which is connected to a cold source inlet of a third heat exchanger.The cold source outlet of the third heat exchanger is connected to a feed inlet of a stripping tower through a decompression separation unit, which is also connected to a tar connecting unit. The decompression separation unit is used for removing tar in the gas liquor. The stripping tower is used for removing impurity components in the gas liquor. A gas liquor outlet of the stripping tower is connected to a hot source inlet of the third heat exchanger through a pipeline. The third heat exchanger is used for preheating low-temperature gas liquor of the gas liquor main through high-temperaturegas liquor at the outlet of the stripping tower. A hot source outlet of the third heat exchanger is connected to a sewage treatment tank through a fourth heat exchanger. By the system, contents of COD, ammonia and henol in the gas liquor are effectively reduced, and the energy consumption of the subsequent water treatment is greatly reduced, the gas liquor is reused, and consumption of industrialwater during the production process is lowered.

The invention discloses a two-section semi-hollow cigarette preventing lower half tobacco shreds from taste change caused by fumigation. A tobacco shred part of the cigarette is divided into two sections; during smoking, smoke generated when upper half tobacco shreds of the cigarette are burnt is blocked by separating paper and cannot enter the space of the lower tobacco shreds, the smoke enters afilter tip through a flue pipe in the lower half tobacco shreds and then enters the mouth, after the upper cigarette is burnt out, the separating paper is burnt through, then the lower half tobacco shreds are burnt, smoke enters the filter tip and the mouth through the lower half tobacco shreds, at this moment, the lower end of the flue pipe can be pinched and flattened by fingers to make an adhesive layer on the inner wall of the flue pipe bonded, and air cannot enter the filter tip and the mouth through the flue pipe to dilute the smoke. Since the lower half tobacco shreds basically do notadsorb smoke tar and other substances produced when the upper half tobacco shreds of the cigarette are burnt, the taste of the lower half tobacco shreds can be as good as that of the upper half cigarette during smoking, and the situation can be reduced that the body absorbs tar and other harmful substances attached to the tobacco shreds.

The invention discloses transport vehicle crown rubber. The transport vehicle crown rubber comprises the following substances in parts by weight: 50 parts of smoked sheets, 50 parts of cis-butadiene rubber, 1 to 3 parts of anti-ozone mixed wax, 2 to 3 parts of stearic acid, 4 to 6 parts of zinc oxide, 5 to 7 parts of aromatic oil, 8 to 12 parts of mineral oil, 4 to 6 parts of pine tar, 1 to 3 parts of sulfur, 45 to 54 parts of furnace black, 1 to 2 parts of accelerant M and 2 to 5 parts of anti-aging agent. The wear resistance of the rubber is higher than that of the ordinary transport vehicle crown rubber, the combination strength of a crown connector part is high, and a tire is unlikely to abrade or scratch in the application process.